From 208013157a68e57fceffe463461c3d1eb83ea60a Mon Sep 17 00:00:00 2001 From: Madhav Chauhan Date: Tue, 30 Oct 2018 13:56:12 +0200 Subject: drm/i915/icl: Turn ON panel backlight This patch enables backlight of DSI panel by using VBT BACKLIGHT_ON sequence and panel specific functions. Signed-off-by: Madhav Chauhan Reviewed-by: Jani Nikula Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/05987eea297689af0b9defcf745a921f76f9011d.1540900289.git.jani.nikula@intel.com --- drivers/gpu/drm/i915/icl_dsi.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/gpu/drm/i915/icl_dsi.c') diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index 0f0447b6b1be..bffbb40cc0bc 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -752,6 +752,8 @@ gen11_dsi_pre_enable(struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config, const struct drm_connector_state *conn_state) { + struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + /* step2: enable IO power */ gen11_dsi_enable_io_power(encoder); @@ -769,4 +771,8 @@ gen11_dsi_pre_enable(struct intel_encoder *encoder, /* step6d: enable dsi transcoder */ gen11_dsi_enable_transcoder(encoder); + + /* step7: enable backlight */ + intel_panel_enable_backlight(pipe_config, conn_state); + intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON); } -- cgit